|Geological Survey of Ohio. Report of progress in 1870 - Ohio. Chief Geologist|
By J.S. Newberry,chief geologist. Including reports by E.B. Andrews, Edward Orton, J.H. Klippart, assistant geologists. T.G. Wormley, chemist. G.K. Gilbert, M.C. Read, Henry Newton, W.B. Potter, local assistants.illus.,plates (1 fold.) col. map.and atlas of 5 fold. pl. From the Brittle Books digitization program at the Ohio State University Libraries.
Keywords: Geology--Ohio; Agriculture--Ohio; Iron industry and trade Great Britain; Steel industry and trade